Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055699 | Device for measuring the refractive index of a fluid, in particular intended for measuring the density of that fluid or the concentration of a substance dissolved in that fluid | Johan W. Konig | 1991-10-08 |
| 4863226 | Confocal laser scanning microscope | Arie Draaijer | 1989-09-05 |
| 4774417 | Method and device for determining the quantity of dispersed solid material in a liquid | — | 1988-09-27 |
| 4711126 | Sensor for the measurement of the refractive index of a fluid and/or phase boundary between two fluids by means of visible or invisible light | Ralph T. Wielandt | 1987-12-08 |